Sisinnios 73 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | L VIII/E IX |
| Titles | Kommerkiarios (office) |
| Seal Sources | Zacos, G. and Veglery, A., Byzantine Lead Seals, vol. I (in 3 parts) (Basel, 1972). |
Sissinios 73 was kommerkiarios; owner of a seal dateable to the late eighth century or the early ninth: Zacos and Veglery 2364. The name and title read: Σισιννίῳ κουμερκιαρίῳ.
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